A gold extraction agent raw material mixing device

Abstract

This utility model relates to a mixing device for gold extraction raw materials, including a mixing tank and a stirring assembly. The mixing tank has a feed inlet at the top and a discharge outlet at the bottom, with a valve installed at the discharge outlet. A coarse material crushing mechanism is installed above the mixing tank, comprising a grinding wheel box, multiple grinding wheels, and multiple grinding wheel shafts. A fine material feed inlet is located at the top of the mixing tank. The grinding wheel box has a coarse material feed inlet at its top. The grinding wheels are all located inside the grinding wheel box, arranged in parallel, with each grinding wheel corresponding to a grinding wheel shaft. The grinding wheels are fixedly connected to their corresponding grinding wheel shafts and located below the feed inlet. The grinding wheel box is connected to the mixing tank. A drive assembly for driving the grinding wheel shafts to rotate is installed on the coarse material crushing mechanism. This utility model can improve the problem of insufficient mixing of raw materials due to partial water absorption and clumping, which affects product quality.

Description

Technical Field

[0001] This utility model relates to the field of gold extraction agent production, and in particular to a gold extraction agent raw material mixing device. Background Technology

[0002] Environmentally friendly gold extraction agents are generally composed of urea, sodium hydroxide, sodium carbonate, sodium thiosulfate, sodium oxide, thiosulfate, and other components. The raw materials are prepared according to the specified ratio, mixed in a mixer, and then added to a stainless steel reaction vessel for reaction at 600-950℃ for 1-3 hours. After cooling, the mixture is pulverized and sieved. Existing mixing devices mostly involve directly stirring the raw material mixture. Because sodium hydroxide in the raw materials is hygroscopic, it easily deliquesces and clumps in the air. When clumps of sodium hydroxide directly enter the vessel and mix with other raw materials, it easily leads to insufficient mixing, affecting product quality. Utility Model Content

[0003] In order to improve the problem of insufficient mixing of raw materials due to water absorption and clumping, which affects product quality, this application provides a mixing device for gold extraction agent raw materials.

[0004] The gold extraction agent raw material mixing device provided in this application adopts the following technical solution: A gold extraction agent raw material mixing device includes a mixing tank and a stirring assembly. The mixing tank has a grinding inlet at the top and an outlet at the bottom, with a valve installed at the outlet. The device is characterized by a coarse material crushing mechanism installed above the mixing tank. This mechanism includes a grinding wheel box, multiple grinding wheels, and multiple grinding wheel shafts. The mixing tank has a fine material inlet at the top, and the grinding wheel box has a coarse material inlet at the top. The grinding wheels are all located inside the grinding wheel box, arranged in parallel. Each grinding wheel corresponds to a grinding wheel shaft, and the grinding wheels are fixedly connected to their corresponding shafts and located below the inlets. The grinding wheel box is connected to the mixing tank. A drive assembly for rotating the grinding wheel shafts is installed on the coarse material crushing mechanism.

[0005] By adopting the above technical solution, the problem of insufficient mixing of raw materials due to water absorption and clumping can be improved, thus affecting product quality.

[0006] Furthermore, the mixing box is equipped with a raw material diversion mechanism, which includes a diversion box and a diversion plate. A raw material inlet is located above the diversion box and is connected to a feed hopper. A fine material discharge port is located on the bottom wall of the diversion box, connected to and aligned with the fine material inlet on the mixing box. A coarse material discharge port is located on the bottom wall of the diversion box, spaced apart from the fine material discharge port. The inlet is connected to the coarse material inlet on the grinding wheel box; the diverting plate is located inside the diverting box, with one end of the diverting plate located below the raw material inlet and the other end extending to the side of the coarse material discharge outlet near the fine material discharge outlet. The end of the diverting plate near the coarse material discharge outlet is connected to the two side walls of the diverting box; the end of the diverting plate near the coarse material discharge outlet is lower than the end of the diverting plate located below the raw material inlet; the diverting plate has a groove, and a screen is installed on the square groove, with the screen fixedly connected to the side wall of the groove.

[0007] By adopting the above technical solution, the raw materials for gold extraction can be diverted, with the fine materials being directly diverted to the mixing tank, and the agglomerated coarse materials being diverted to the coarse material crushing tank for crushing.

[0008] Furthermore, the end of the diverter plate near the coarse material discharge port is rotatably connected to the two side walls of the diverter box; the raw material diverting mechanism is equipped with a swing assembly for vibrating the end of the diverter plate near the coarse material discharge port up and down. There are two sets of swing assemblies, which are respectively located on both sides of the end of the diverter plate located below the raw material inlet. The swing assembly includes a drive motor and a cam. The drive motor is fixedly installed on the outer wall of the diverter box. The cam is coaxially fixedly connected to the output end of the drive motor. The cam is located below the diverter plate and can abut against the surface of the diverter plate.

[0009] By adopting the above technical solutions, the screening rate of fine materials can be accelerated, and the efficiency of separating coarse and fine materials can be improved.

[0010] Furthermore, pulleys are installed on both sides of the end of the diverter plate located below the raw material inlet. The pulleys are rotatably connected to the diverter plate, and the pulleys abut against the outer peripheral surface of the cam on the swing assembly.

[0011] By adopting the above technical solution, the friction between the cam and the splitter plate can be reduced, and the service life of the oscillating assembly can be extended.

[0012] Furthermore, the inside of the diversion box is equipped with a baffle to prevent powder from falling into the gap between the diversion box and the diversion plate. One end of the baffle is fixedly connected to the inner wall below the raw material inlet of the diversion box, and the other end extends to the top of the diversion plate.

[0013] By adopting the above technical solution, the gap between the raw material powder entering the distribution box and the distribution plate is reduced.

[0014] Furthermore, the mixing tank is connected in sequence to a pipe heater and a nitrogen generator via pipes.

[0015] By adopting the above technical solution, the fine powder falling into the mixing box can be heated to remove water, and the crushed coarse material can be directly blown to achieve the purpose of quickly removing water from the agglomerated coarse material.

[0016] Furthermore, the mixing tank is equipped with a one-way valve for discharging excess gas from the mixing tank, and the air inlet end of the one-way valve is fitted with a filter screen.

[0017] By adopting the above technical solution, the air in the mixing box can be discharged before the gold extraction agent powder is dehydrated, reducing the contact between the gold extraction agent raw material and air during the heating and dehydration process, and reducing the safety hazards caused by excessive air pressure in the mixing box during the dehydration process of the gold extraction agent raw material powder.

[0018] Furthermore, a filter screen is fitted onto the air inlet end of the one-way valve, and the filter screen is fixed to the air inlet end of the one-way valve by a rubber ring.

[0019] By adopting the above technical solution, the outflow of raw material powder is blocked, reducing environmental pollution.

[0020] In summary, the beneficial technical effects of this application are as follows: 1. By adopting the above technical solution, the problem of insufficient mixing of raw materials due to water absorption and clumping can be improved, thus affecting product quality.

[0021] 2. By crushing the coarse materials in the gold extraction agent raw materials, the gold extraction agent raw materials are mixed more thoroughly.

[0022] 3. By separating coarse and fine materials and adopting different dehydration schemes for them, the efficiency of gold extraction agent mixing is improved and the mixing time of gold extraction agent is shortened. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application; Figure 2 This is a partial sectional view of this embodiment; Figure 3 yes Figure 2 An enlarged schematic diagram of part A in the middle.

[0024] Explanation of reference numerals in the attached figures: 1. Mixing box; 11. Electric butterfly valve; 12. Check valve; 13. Pipeline; 14. Pipeline heater; 15. Nitrogen generator; 2. Mixing assembly; 21. Mixing shaft; 22. Mixing blades; 3. Mixing motor; 4. Coarse material crushing mechanism; 41. Roller box; 42. Roller; 43. Roller shaft; 44. Fixed roller; 5. Drive assembly; 51. Grinding motor; 52. Gear; 6. Raw material diversion mechanism; 61. Diversion box; 62. Diversion plate; 63. Baffle; 64. Feed hopper; 65. Feeding plate; 621. Screen; 622. Pulley; 7. Swing assembly; 71. Drive motor; 72. Cam. Detailed Implementation

[0025] The technical solutions of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0026] This application discloses a gold extraction agent raw material mixing device, referring to... Figure 1 and Figure 2 It includes a mixing tank 1 and a stirring assembly 2. The top of the mixing tank 1 has a grinding material inlet and a fine material inlet, and the bottom of the mixing tank 1 has a discharge outlet, and a valve is installed at the discharge outlet. In this embodiment, the valve used is an electric butterfly valve 11.

[0027] In order to mix the gold extraction agent raw materials, the mixing tank 1 is equipped with a stirring assembly 2. The stirring assembly 2 includes a stirring shaft 21 and several stirring blades 22. The stirring blades 22 are fixed on the stirring shaft 21. The stirring shaft 21 extends out from the top wall of the mixing tank 1 and is rotatably connected to the mixing tank 1.

[0028] The mixing tank 1 is equipped with a stirring motor 3 for driving the stirring shaft 21 to rotate. The stirring motor 3 is fixedly connected to the outer wall of the mixing tank 1, and the output end of the stirring motor 3 is fixedly connected to the stirring shaft 21 coaxially.

[0029] A raw material diversion mechanism 6 is provided above the mixing box 1. The raw material diversion mechanism 6 includes a diversion box 61, a diversion plate 62, a baffle 63, and a feed hopper 64.

[0030] The distribution box 61 has a raw material inlet, a fine material outlet, and a coarse material outlet. The raw material inlet is located at the top of the distribution box 61. The fine material outlet is located at the bottom of the distribution box 61, and is connected to the fine material inlet on the mixing box 1 and aligned with the raw material inlet. The coarse material outlet is located at the horizontal end of the distribution box 61 away from the raw material inlet. The feed hopper 64 is connected to the raw material inlet to accelerate the entry of raw materials into the distribution box 61. A distribution plate 62 is located inside the distribution box 61. One end of the distribution plate 62 is located below the raw material inlet, and the other end extends to the side of the coarse material outlet near the fine material outlet. Pulleys 622 are installed on both sides of the end of the distribution plate 62 below the raw material inlet, as detailed in [link to details]. Figure 3 The pulley 622 is rotatably connected to the diverter plate 62. The end of the diverter plate 62 near the coarse material discharge port is rotatably connected to the two side walls of the diverter box 61. The end of the diverter plate 62 near the coarse material discharge port is lower than the end of the diverter plate 62 located below the raw material inlet. A square groove is formed on the diverter plate 62, and a screen 621 is installed on the square groove, with the screen 621 fixedly connected to the side wall of the square groove. The diverter box 61 contains two sets of swing assemblies 7, each including a drive motor 71 and a cam 72. See details... Figure 3 Two sets of swing components 7 are respectively located on both sides of the diverter plate 62 at one end below the raw material inlet. The drive motor 71 is fixedly installed on the outer wall of the diverter box 61. The cam 72 is coaxially and fixedly connected to the output end of the drive motor 71. The cam 72 is located below the diverter plate 62, and the cam 72 abuts against the outer peripheral surface of the pulley 622 on the corresponding side of the diverter plate 62. A baffle 63 is provided inside the diverter box 61. One end of the baffle 63 is fixedly connected to the inner wall below the raw material inlet of the diverter box 61, and the other end extends to the top of the diverter plate 62 to prevent powder from falling into the gap between the diverter box 61 and the diverter plate 62. When mixing the gold extraction agent raw materials, the operator pours the gold extraction agent raw materials from the feed hopper 64. The raw materials fall onto the diverter plate 62, and the drive motor 71 drives the cam 72 to rotate, causing the diverter plate 62 to swing up and down, so that the fine material falls through the holes of the screen 621.

[0031] A coarse material crushing mechanism 4 is provided above the mixing box 1. The coarse material crushing mechanism includes a grinding wheel box 41, two grinding wheels 42 and two grinding wheel shafts 43.

[0032] The top of the grinding wheel box 41 has a coarse material inlet, and the bottom of the grinding wheel box 41 has a grinding material discharge outlet. The coarse material inlet is connected to the coarse material discharge outlet on the diversion box 61. The grinding material discharge outlet is connected to the grinding material inlet of the mixing box 1. Two grinding wheels 42 are both located inside the grinding wheel box 41, and the two grinding wheels 42 are installed in parallel with a gap between them, and the gap is not greater than the mesh size of the screen 621. The two grinding wheels 42 are fixedly connected to the corresponding grinding wheel shafts 43, and the two grinding wheel shafts 43 are rotatably connected to the side walls of the grinding wheel box 41.

[0033] Inside the roller box 41, there is also a fixed roller 44. The fixed roller 44 is fixed below the two rollers 42. The fixed roller 44 is arranged in parallel with the rollers 42. The fixed roller 44 and the two roller shafts 43 are arranged in an equilateral inverted triangle. The distance between the fixed roller 44 and the two side rollers 42 is not greater than the gap size.

[0034] The grinding wheel box 41 is equipped with a drive mechanism 5 for driving the grinding wheel shaft 43 to rotate. The drive mechanism includes a grinding motor 51 and two gears 52.

[0035] Two gears 52 correspond one-to-one with two grinding wheel shafts 43, and the gears 52 and their corresponding grinding wheel shafts 43 are coaxially and fixedly connected, with the two gears 52 meshing. The grinding motor 51 is fixedly connected to the grinding wheel box 41, and the output shaft of the grinding motor 51 is coaxially and fixedly connected to one of the gears 52. After the coarse material enters the coarse material crushing mechanism 4, the grinding motor 51 drives one of the grinding wheels 42 to rotate. Due to the meshing of the two gears 52, the other grinding wheel 42 rotates synchronously, thus crushing the coarse material for the first time. Then, the two upper grinding wheels 42 respectively achieve a second crushing with the lower fixed grinding wheel 44. The crushed raw material falls from both sides of the lower fixed grinding wheel 44 and enters the mixing box 1 through the grinding feed inlet on the mixing box 1.

[0036] The mixing tank 1 has an air inlet located near the feed inlet of the grinding mill, and the air inlet is connected to a pipe 13. The pipe 13 is connected in sequence to a pipe heater 14 and a nitrogen generator 15. The nitrogen generated by the nitrogen generator 15 is heated by the pipe heater 14 and then enters the mixing tank 1 through the pipe. The nitrogen heating temperature is 40±2℃.

[0037] To prevent excessive pressure inside the mixing tank 1 when nitrogen is introduced, a one-way valve 12 is installed on the mixing tank 1 to discharge excess gas. To prevent raw material powder from flowing out and polluting the environment, a filter screen is fitted onto the air inlet end of the one-way valve 12, and the filter screen is fixed to the air inlet end of the one-way valve 12 by a rubber ring.

[0038] The mixing tank 1 is also equipped with a feeding plate 65, which is located at the fine material discharge port at the bottom. One end of the feeding plate 65 is fixedly connected to the side wall of the fine material discharge port near the one-way valve 12, and the other end extends to the side of the fine material discharge port away from the one-way valve 12. The end of the feeding plate 65 near the one-way valve 12 is higher than the end of the feeding plate 65 away from the one-way valve 12. The fine material falling from the diverting plate 62 is guided by the feeding plate 65 to the end away from the one-way valve 12 and falls into the mixing tank 1, reducing the amount of fine powder that drifts towards the one-way valve 12 with the gas.

[0039] To improve the stability of the mixing device, the stirring motor 3, the grinding motor 51 and the drive motor 71 used in this embodiment are all dustproof motors.

[0040] The implementation principle of the gold extraction agent raw material mixing device in this application embodiment is as follows: Before adding the gold extraction agent raw materials, heated nitrogen gas is introduced into the mixing tank 1. Air is then expelled from the mixing tank 1 through a one-way valve 12. During the feeding process, heated nitrogen gas is continuously introduced. Because the air inlet is close to the feed inlet of the grinding mill, the heated nitrogen gas can directly blow onto the crushed coarse material, thus rapidly removing water. Since the mixing tank 1 is pre-filled with heated nitrogen gas, the heated nitrogen gas can remove any moisture that may be present in the fine material as it falls from the fine material feed inlet to the bottom of the mixing tank 1. Separating the coarse and fine materials and implementing different dehydration schemes for them improves both dehydration and mixing efficiency.

[0041] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A gold extraction agent raw material mixing device, comprising a mixing tank (1) and a stirring assembly (2), wherein the mixing tank (1) has a discharge port at its bottom and a valve (11) is installed at the discharge port, characterized in that, A coarse material crushing mechanism (4) is installed above the mixing box (1). The coarse material crushing mechanism (4) includes a grinding wheel box (41), multiple grinding wheels (42) and multiple grinding wheel shafts (43). The mixing box (1) has a fine material inlet at the top, and the grinding wheel box (41) has a coarse material inlet at the top. The grinding wheels (42) are all located inside the grinding wheel box (41). Multiple grinding wheels (42) are arranged in parallel. The grinding wheels (42) correspond one-to-one with the grinding wheel shafts (43). The grinding wheels (42) are fixedly connected to the corresponding grinding wheel shafts (43) and are located below the coarse material inlet. The grinding wheel box (41) is connected to the mixing box (1). A drive assembly (5) for driving the grinding wheel shafts (43) to rotate is installed on the grinding wheel box (41).

2. The gold extraction agent raw material mixing device according to claim 1, characterized in that, The mixing box (1) is equipped with a raw material diversion mechanism (6), which includes a diversion box (61) and a diversion plate (62). The top of the diversion box (61) is provided with a raw material inlet, which is connected to a feed hopper (64). The bottom wall of the diversion box (61) is provided with a fine material discharge port, which is connected to the fine material inlet on the mixing box (1) and aligned with the raw material inlet. The bottom wall of the diversion box (61) is provided with a coarse material discharge port, which is spaced apart from the fine material discharge port. The coarse material discharge port is connected to the grinding wheel box (41). The coarse material inlet on the diversion plate (62) is connected; the diversion plate (62) is located inside the diversion box (61), one end of the diversion plate (62) is located below the raw material inlet, and the other end extends to the side of the coarse material discharge port near the fine material discharge port. The end of the diversion plate (62) near the coarse material discharge port is connected to the two side walls of the diversion box (61); the end of the diversion plate (62) near the coarse material discharge port is lower than the end of the diversion plate (62) located below the raw material inlet; a square groove is provided on the diversion plate (62), and a screen (621) is installed on the square groove. The screen (621) is fixedly connected to the side wall of the square groove.

3. The gold extraction agent raw material mixing device according to claim 2, characterized in that, The end of the diverter plate (62) near the coarse material discharge port is rotatably connected to the two side walls of the diverter box (61); the raw material diverter mechanism (6) is equipped with a swing assembly (7) for reciprocating swing of the end of the diverter plate (62) near the coarse material discharge port. There are two sets of swing assemblies (7), which are respectively located on both sides of the end of the diverter plate (62) below the raw material inlet. The swing assembly (7) includes a drive motor (71) and a cam (72). The drive motor (71) is fixedly installed on the outer wall of the diverter box (61). The cam (72) is coaxially fixedly connected to the output end of the drive motor (71). The cam (72) is located below the diverter plate (62) and can abut against the surface of the diverter plate (62).

4. The gold extraction agent raw material mixing device according to claim 3, characterized in that, The diverter plate (62) is equipped with pulleys (622) on both sides of one end below the raw material inlet. The pulleys (622) are rotatably connected to the diverter plate (62), and the pulleys (622) abut against the outer peripheral surface of the corresponding side cam (72).

5. The gold extraction agent raw material mixing device according to claim 3, characterized in that, The inside of the diversion box (61) is provided with a baffle (63) to prevent powder from falling into the gap between the diversion box (61) and the diversion plate (62). One end of the baffle (63) is fixedly connected to the inner wall below the raw material inlet of the diversion box (61), and the other end extends to the top of the diversion plate (62).

6. The gold extraction agent raw material mixing device according to claim 1, characterized in that, The mixing tank (1) is connected in sequence to a pipe heater (14) and a nitrogen generator (15) via a pipe (13).

7. The gold extraction agent raw material mixing device according to claim 6, characterized in that, The mixing tank (1) is provided with a one-way valve (12) for discharging excess gas in the mixing tank (1), and the air inlet end of the one-way valve (12) is fitted with a filter screen.

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